android – 通过Wi-Fi Direct连接两个设备

我试图通过Wi-Fi Direct连接2个 Android设备.
在我的应用程序中,我正在硬编码其他设备的MAC地址并调用方法connect.我假设两台设备都启用了Wi-Fi Direct.这是我正在使用的代码：

包com.abc;

@H_673_10@import android.app.Activity; import android.content.Context; import android.content.IntentFilter; import android.net.wifi.WpsInfo; import android.net.wifi.p2p.wifip2pConfig; import android.net.wifi.p2p.@L_842_4@manager; import android.net.wifi.p2p.@L_842_4@manager.ChAnnel; import android.os.bundle; import android.widget.Toast; public class WiFiDirectActivity extends Activity { /** Called when the activity is first created. */ protected @L_842_4@manager manager; protected ChAnnel chAnnel; public wifip2pConfig config ; protected final IntentFilter intentFilter = new IntentFilter(); @Override public void onCreate(Bundle savedInstanceStatE) { super.onCreate(savedInstanceStatE); setContentView(R.layout.main); intentFilter.addAction (@L_842_4@manager.WIFI_P2P_CONNECTION_CHANGED_ACTION); intentFilter .addAction(@L_842_4@manager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION); manager = (@L_842_4@manager) getSystemservice(Context.WIFI_P2P_serviCE); chAnnel = manager.initialize(this,this.getMainLooper(),null); config = new wifip2pConfig(); config.deviceAddress = "78:d6:f0:ab:d9:da"; config.groupownerIntent = 0; config.wps.setup = WpsInfo.PBc; manager.connect(chAnnel,config,new @L_842_4@manager.ActionListener(){ @Override public void onsuccess() { Toast.makeText(getApplicationContext(),"success",Toast.LENGTH_LONG); } @Override public void onFailure(int reason) { Toast.makeText(getApplicationContext(),"Failed",Toast.LENGTH_LONG); } }); }

}

但它没有连接.我的实施有什么问题？